Sentences with phrase «astronomers study fields»

Not exact matches

«Variations over weeks or months don't really tell you anything about the 1,000 - year timescale that governs hydrogen,» notes Kevin Zahnle, an astronomer at NASA's Ames Research Center in Moffett Field, Calif., who was not involved in the study.

* This technique, known as integral field spectroscopy, allows astronomers to simultaneously study the properties of different parts of an object such as a galaxy to see how it is rotating and to measure its mass.

Large ripples, loops and arcs embedded in the starry outer envelope were first observed in the 1970s, and they remain an active field of study for contemporary astronomers, who use the latest telescope technology to observe the finer details of NGC 1316's unusual structure through a combination of imaging and modelling.

To see whether these are generated by the same process as happens on the sun — the breaking and reconnection of magnetic fields (pictured above)-- astronomers studied light from 100,000 stars using China's Guo Shouiing Telescope.

The astronomers used the VLA and ALMA to study galaxies in the Hubble Ultra Deep Field, a small area of sky observed since 2003 with NASA's Hubble Space Telescope (HST).

Extensive ongoing observing programs, led by Harry Teplitz and Richard Ellis at the California Institute of Technology, will allow astronomers to study the deep - field galaxies with Hubble to even greater depths in ultraviolet and infrared light prior to the launch of JWST.

Working with fellow Carnegie astronomer George Preston, Shectman conducted an objective - prism survey for the oldest and most «metal - poor» stars in the halo of the Milky Way galaxy, and helped to provide the foundation for the study of what is now called near - field cosmology.

A team of astronomers, led by Thomas Beatty of Pennsylvania State University, used the Hubble Space Telescope's Wide Field Camera 3 (WFC3) to perform a spectroscopic study of the planet's atmosphere in the near - infrared and conducted the observation as the planet passed behind its parent star.

Astronomers have already located some habitable - zone planets, and research scientist Andrew Rushby, of NASA Ames Research Center, in Moffett Field, California, is studying ways to refine the search.